STS IX (Double Row) Decoder Topolino
The TOPOLINO self-impressioning decoder is a professional locksmith tool designed to open and decode STS IX cylinder locks. It allows precise and controlled emergency opening while maintaining high decoding accuracy.
Specifically engineered for STS IX mechanisms, this tool delivers reliable performance in demanding professional situations.
Compatibility
Before use, always verify the lock model.
This decoder works only with the following STS IX models:
• IX3
• IX5
• IX8
It does not work with IX9 or any other cylinder lock models.
To ensure proper functionality and to prevent damage, use this tool strictly with the compatible models listed above.
Design & Construction
The TOPOLINO decoder is carefully manufactured according to the exact specifications of STS IX cylinder locks. Because of this precise engineering, it provides smooth operation and accurate decoding.
The tool includes:
• Main blade with 5 pins
• Tension blade with 5 pins
• 10 precision pins in total
Each pin follows a specific configuration that matches the designated lock models. As a result, the decoder ensures efficient opening and consistent decoding performance.
Important Usage Notice
The tool comes with factory-adjusted bolts that secure its internal mechanism.
Do not tighten, loosen, or tamper with these bolts. Any modification will permanently damage the tool and immediately compromise its opening and decoding capability.
This tool is intended for licensed locksmiths and authorized professional use only.
Contents of the box
- Topolino decoder FOR LOCK MODEL STS IX
- Spare main pins - 8 pins
- Reset hex key - main pins
- Reset cap
- Transportation box
Topolino decoder- Important
There is no such thing as one tool that opens every lock. A universal tool simply does not exist in professional locksmith equipment.
For this reason, you must always identify the exact cylinder lock model before attempting to open it. Proper lock identification and basic locksmith knowledge are essential for safe and effective operation.
Using the correct tool for the correct model ensures both successful opening and long-term tool durability.
How the Tool Works
These lockpick tools operate without force. Instead of aggressive manipulation, they rely on controlled positioning and precision.
First, apply a medium and steady amount of tension. The tool then adjusts each individual pin inside the cylinder to a specific height. Gradually, the pins align themselves according to the original key configuration.
As this process continues, the tool effectively reproduces the key profile.
Once alignment is complete, you obtain a full double-bit profile. At that point, the tool functions like the original key, allowing you to open and close the lock smoothly and accurately.
Preparation and reset of the pins
Before using the tool, carefully follow these steps to ensure proper reset and optimal performance:
First, insert the blade of the Topolino into the Reset Cap.
Make sure the two arrows align correctly in their designated position. If necessary, refer to the instructional video for visual guidance.
Next, slide the slider backward.
Then, use the reset key to reset all 10 pins. Push each pin fully inside to ensure complete alignment.
After resetting the pins, slide the slider forward again.
The decoder is now fully reset and ready for operation.
Before using the tool, carefully follow these steps to ensure proper reset and optimal performance:
First, insert the blade of the Topolino into the Reset Cap.
Make sure the two arrows align correctly in their designated position. If necessary, refer to the instructional video for visual guidance.
Next, slide the slider backward.
Then, use the reset key to reset all 10 pins. Push each pin fully inside to ensure complete alignment.
After resetting the pins, slide the slider forward again.
The decoder is now fully reset and ready for operation.
Legal Disclaimer
We are not an official dealer of the locks that our tools are designed to open. Moreover, we have no affiliation with the manufacturers of those locks.
All brand names and trademarks remain the property of their respective owners. We use them strictly for identification and compatibility purposes.
Product Ownership
This page explains the operation of the Topolino Decoder offered by Prodecoder.
Prodecoder designs, manufactures, and owns this patented product, and reserves all related rights.
Any additional items shown on this page appear for illustrative purposes only. They are not included in this offer and are not presented for sale.
Professional Use Only
🔒 Intended strictly for licensed locksmiths and certified security professionals.
❗ Unauthorized use of locksmith tools may be illegal.
™ STS is a registered trademark of its respective owner. Prodecoder is not affiliated with or endorsed by STS. This content is provided solely for professional training and educational purposes.





Shipping handling information
Before we ship we make a personalized video instructions with your tool. This serves as a manual and also a guarantee for the condition of the decoder. Shipping is done with DHL. Cost of shipping for the EUR is – 30 EUR and 40 EUR for the rest of the world








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